. >>> meanwhile, across the pond they are talking the global economy. the g8 summit is under way in northern ireland, but it's not all about monetary policy. cbs reporter tara mergener on the discussions expected on u.s. wiretapping and syria. >> hello, everybody. >> reporter: president obama and british prime minister david cameron visited a northern ireland school where students are learning about the g8 summit. >> i think i just went outside the lines. >> reporter: but soon, the president and his counterparts turned their attention to the global economy. >> i'm pleased to join these leaders to announce the launch of negotiations on a new trade agreement. >> reporter: the economy is not the only topic at the g8. the civil war in syria is expected to dominate talks including president obama's meeting with russian president vladimir putin. russia supports bashar al-assad and sells him weapons. putin opposes president obama's plan to give military assistance to rebel forces trying to overthrow the government calling the fighters barbarians. >> are these